MEDIUM
8th CBSE
IMPORTANT
Earn 100

What is a musical sound? Give two examples of musical sounds. 

Important Questions on Sound

MEDIUM
8th CBSE
IMPORTANT
What is meant by noise pollution? Mention some of the sources of noise pollution in your surroundings.
MEDIUM
8th CBSE
IMPORTANT
Explain how, noise pollution (or excessive loud noise) is harmful to human beings.
MEDIUM
8th CBSE
IMPORTANT
State the various measures which can be taken to control (or reduce) noise pollution in our surroundings.
MEDIUM
8th CBSE
IMPORTANT
What can be done along the roads to reduce noise pollution caused by traffic from reaching the residents of the area? 
MEDIUM
8th CBSE
IMPORTANT
Voice of which of the following is likely to have the minimum frequency?
MEDIUM
8th CBSE
IMPORTANT
Which of the following vibrates when a musical note is produced by the cymbals in an orchestra?
MEDIUM
8th CBSE
IMPORTANT
A musical instrument is producing a continuous note. This note cannot be heard by a person having a normal hearing range. This note must then be passing through: